It is much more common to follow an indefinite pronoun with ‘THAT’ as a conjunction. ‘That’ as a determiner is less common.
1 SOMETHING (PN1) THAT (CST) 806036
2 ONE (PN1) THAT (CST) 546938
3 ANYTHING (PN1) THAT (CST) 216969
4 EVERYTHING (PN1) THAT (CST) 172404
6 SOMEONE (PN1) THAT (CST) 46752
7 NOTHING (PN1) THAT (CST) 45686
8 ANYONE (PN1) THAT (CST) 42407
9 EVERYONE (PN1) THAT (CST) 33139
12 SOMEBODY (PN1) THAT (CST) 6961
13 ANYBODY (PN1) THAT (CST) 6531
14 EVERYBODY (PN1) THAT (CST) 5093
16 ONE (PN122) THAT (CST) 2500
19 NOBODY (PN1) THAT (CST) 1066
2 ONE (PN1) THIS (DD1) 5037
4 ONE (PN1_MC1) THIS (DD1) 3368
5 SOMETHING (PN1) THIS (DD1) 2747
6 ANYTHING (PN1) THIS (DD1) 2604
7 EVERYTHING (PN1) THIS (DD1) 2530
8 ONE (PN1) EACH (DD1) 1846
9 EVERYONE (PN1) THIS (DD1) 1376
10 ONE (PN1) THAT (DD1) 1295
12 NOTHING (PN1) THIS (DD1) 828
13 SOMEONE (PN1) THIS (DD1) 821
14 SOMETHING (PN1) EACH (DD1) 798
15 ANYONE (PN1) THIS (DD1) 750
20 SOMETHING (PN1) THAT (DD1) 357